345009696247 has 2 divisors, whose sum is σ = 345009696248. Its totient is φ = 345009696246.

The previous prime is 345009696173. The next prime is 345009696257. The reversal of 345009696247 is 742696900543.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345009696247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345009696257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172504848123 + 172504848124.

It is an arithmetic number, because the mean of its divisors is an integer number (172504848124).

Almost surely, 2^345009696247 is an apocalyptic number.

345009696247 is a deficient number, since it is larger than the sum of its proper divisors (1).

345009696247 is an equidigital number, since it uses as much as digits as its factorization.

345009696247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 345009696247 in words is "three hundred forty-five billion, nine million, six hundred ninety-six thousand, two hundred forty-seven".